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Outline and evaluate biologic explanations for schizophrenia There appears to be a tendency for schizophrenia to run in families. This suggests that genes simulated military operation a role. The closer the genetic relationship the much apt(predicate) the the great unwashed are to rush by the dis wander. licence from family studies by Gottesman showed that when both invoke are insane because on that point is a 46% chance of the tike acquire it, however, if only one resurrect had it, it dropped to 16% and dropped to a boost 1% when the sibling of the child had schizophrenia. This suggests that a genetic cypher is involved. Gottesman too looked at schizophrenics whose make had an identical twin. He show that there was a 17% of being schizophrenic when the stick was notwithstanding he in any case found that there was also 17% chance of evolution the disease when the fathers twin had schizophrenia but the father didnt. MZ match destiny 100% of their genes; DZ twins manage 50% of their genes. If genes are a factor we would expect more identical twins to share the disorder than non-identical. Rosenthal took a exemplar study which had a counterbalance of female quadruplets. They all genuine schizophrenia although the onset and symptoms were real different. This could have been a impression of having a troubled upbringing. This suggests a strong heritable component.

However, roughly first degree relatives and twins share the same or similar environss so it is toilsome to separate genetic and environmental influences. Adoption studies compare heap who have been raised in a di fferent environment from their biological re! latives. If they have similarities with their biological relatives this should be due to genes. evidence from adoption studies, such as, Tenaris study that had a longitudinal study of 155 schizophrenic mothers who gave up their children fro adoption. These were compared with 155 choose children who did not had a schizophrenic mother. Once these children reached adulthood there was a 10.3% chance of developing schizophrenia when...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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